Trench warfare had been used throughout history, but it is most commonly associated with fighting in World War I.
Trenches were as deep as 12 feet and often constructed in
a zigzag pattern. By the end of 1914, an estimated 475
miles of trenches had been dug on the Western Front.
Which statement best represents the main idea of this source?
O
A. Fighting in trenches was dangerous and boring,
B. Trench warfare was used a lot in World War I
O
C. Trenches were often dug to a depth of 12 feet.
O
D. An estimated 475 miles of trenches were built.
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